Home / 15,050.66-20,769.32-8,336.57

Finding the Fourth Proportional to 15,050.66, 20,769.32 and 8,336.57

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Solution

The fourth proportional to 15,050.66, 20,769.32 and 8,336.57 is: 11,504.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,050.66 : 20,769.32 = 8,336.57 : x
  2. Step 2: Convert to fraction form
    15,050.66/20,769.32 = 8,336.57/x
  3. Step 3: Cross multiply
    15,050.66x = 20,769.32 × 8,336.57
  4. Step 4: Simplify right side
    15,050.66x = 173,144,744.50
  5. Step 5: Solve for x
    x = 173,144,744.50/15,050.66
  6. Step 6: Final answer
    x = 11,504.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.